A Demon in the Knight — Robert Taylor

First of a 4 part series: Secret of the Demon.The young Duke TecDemon rises to his father's throne after his death. He yearns to be free of the burdens of being a leader and to set off and see the world. His craving for adventure is soon met when his kingdom is destroyed by vicious beasts and his beloved is missing! His only hope is in discovering a secret power linked to his family's past.